18435920

素因数分解:

$2^4\times 5^1\times {\mathrm{230449}}^1$

素因数の和:230462

約数の個数: 20

約数和(自身を含む): 42863700

約数和(自身を除く): 24427780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230449, 460898, 921796, 1152245, 1843592, 2304490, 3687184, 4608980, 9217960, 18435920]

約数ペア:

[(1, 18435920), (2, 9217960), (4, 4608980), (5, 3687184), (8, 2304490), (10, 1843592), (16, 1152245), (20, 921796), (40, 460898), (80, 230449)]